forked from TrueCloudLab/restic
36 lines
713 B
Go
36 lines
713 B
Go
package repository
|
|
|
|
import (
|
|
"io"
|
|
|
|
"github.com/restic/restic/crypto"
|
|
)
|
|
|
|
// decryptReadCloser couples an underlying reader with a DecryptReader and
|
|
// implements io.ReadCloser. On Close(), both readers are closed.
|
|
type decryptReadCloser struct {
|
|
r io.ReadCloser
|
|
dr io.ReadCloser
|
|
}
|
|
|
|
func newDecryptReadCloser(key *crypto.Key, rd io.ReadCloser) (io.ReadCloser, error) {
|
|
dr, err := crypto.DecryptFrom(key, rd)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return &decryptReadCloser{r: rd, dr: dr}, nil
|
|
}
|
|
|
|
func (dr *decryptReadCloser) Read(buf []byte) (int, error) {
|
|
return dr.dr.Read(buf)
|
|
}
|
|
|
|
func (dr *decryptReadCloser) Close() error {
|
|
err := dr.dr.Close()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
return dr.r.Close()
|
|
}
|